void LinkedList_InsertNode( LinkedList *list, size_t pos, LinkedListNode *node )
{
LinkedListNode *target;
target = LinkedList_GetNode( list, pos );
if( target ) {
LinkedList_Link( list, target->prev, node );
} else {
LinkedList_AppendNode( list, node );
}
}
void Widget_ExecUpdateZIndex(LCUI_Widget w)
{
int z_index;
LinkedList *list;
LinkedListNode *cnode, *csnode, *snode;
LCUI_Style s = &w->style->sheet[key_z_index];
if (s->is_valid && s->type == LCUI_STYPE_VALUE) {
z_index = s->val_int;
} else {
z_index = 0;
}
if (!w->parent) {
return;
}
if (w->state == LCUI_WSTATE_NORMAL) {
if (w->computed_style.z_index == z_index) {
return;
}
}
w->computed_style.z_index = z_index;
snode = &w->node_show;
list = &w->parent->children_show;
LinkedList_Unlink(list, snode);
for (LinkedList_Each(cnode, list)) {
LCUI_Widget child = cnode->data;
LCUI_WidgetStyle *ccs = &child->computed_style;
csnode = &child->node_show;
if (w->computed_style.z_index < ccs->z_index) {
continue;
} else if (w->computed_style.z_index == ccs->z_index) {
if (w->computed_style.position == ccs->position) {
if (w->index < child->index) {
continue;
}
} else if (w->computed_style.position < ccs->position) {
continue;
}
}
LinkedList_Link(list, csnode->prev, snode);
break;
}
if (!cnode) {
LinkedList_AppendNode(list, snode);
}
if (w->computed_style.position != SV_STATIC) {
Widget_AddTask(w, LCUI_WTASK_REFRESH);
}
}
